package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {

    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;


    /**
     * 新增套餐
     * @param setmealDto
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info(setmealDto.toString());

        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功!");
    }

    /**
     * 套餐分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        //套餐分类没有传过来
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> lqw = new LambdaQueryWrapper<>();
        //查询条件
        lqw.like(name!=null,Setmeal::getName,name);
        //排序规则
        lqw.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo,lqw);
        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();
        List<SetmealDto> list = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);
            //分类Id
            Long categoryId = item.getCategoryId();
            //根据分类id 查询分类对象
            Category category = categoryService.getById(categoryId);

            if (category!=null){
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);

        return R.success(dtoPage);
    }

    /**
     * 根据id获取套餐信息
     * @param id
     * @return
     */
    @GetMapping("{id}")
    public R<SetmealDto> getById(@PathVariable Long id){
        log.info(id.toString());
        SetmealDto setmealDto = setmealService.getByIdWithDish(id);
        return R.success(setmealDto);
    }

    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto){
        log.info(setmealDto.toString());
        setmealService.updateSetmealWithDish(setmealDto);
        return R.success("套餐信息更新成功!");
    }

    /**
     * 修改状态
     * @param status
     * @param ids
     * @return
     */
    @PostMapping("/status/{status}")
    public R<String> stop(@PathVariable int status,String[] ids){
        //循环用于批量修改
        for (String id : ids) {
            Setmeal setmeal = setmealService.getById(id);
            setmeal.setStatus(status);
            setmealService.updateById(setmeal);
        }
        return R.success("套餐状态修改成功!");
    }
    /**
     * 删除套餐
     * @param ids
     * @return
     */

    @DeleteMapping
    public R<String> remove(@RequestParam List<Long> ids){
        log.info(ids.toString());
        setmealService.removeWithDish(ids);
        return R.success("删除成功!");
    }


    /**
     * 根据条件查询套餐数据 用于客户端展示
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> lqw = new LambdaQueryWrapper<>();
        lqw.eq(setmeal.getCategoryId()!=null,Setmeal::getCategoryId,setmeal.getCategoryId());
        lqw.eq(setmeal.getStatus() !=null,Setmeal::getStatus,setmeal.getStatus());
        lqw.orderByDesc(Setmeal::getUpdateTime);
        List<Setmeal> setmealList = setmealService.list(lqw);
        return R.success(setmealList);
    }
}
